Home / 74,772,442.10-112,173,826.35-42,439,834.10

Finding the Fourth Proportional to 74,772,442.10, 112,173,826.35 and 42,439,834.10

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Solution

The fourth proportional to 74,772,442.10, 112,173,826.35 and 42,439,834.10 is: 63,668,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,772,442.10 : 112,173,826.35 = 42,439,834.10 : x
  2. Step 2: Convert to fraction form
    74,772,442.10/112,173,826.35 = 42,439,834.10/x
  3. Step 3: Cross multiply
    74,772,442.10x = 112,173,826.35 × 42,439,834.10
  4. Step 4: Simplify right side
    74,772,442.10x = 4,760,638,580,656,208
  5. Step 5: Solve for x
    x = 4,760,638,580,656,208/74,772,442.10
  6. Step 6: Final answer
    x = 63,668,357.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.